Ukuze kwandiswe amandla ehashe kunye nokufuduswa kweCorvette ZR-1 yakhe, uPhil Wasinger waqala ukuvelisa injini yakhe xa wafumana injini yeLT5 esetyenzisiweyo kwiCraigslist ngo-2014. Jonga okwenzekayo kule projekthi yeminyaka emithandathu.
Ngenxa yoyilo olulodwa kunye nemveliso elinganiselweyo ye-1990-1995 ZR-1 Corvettes, injini ye-LT5 enqwenelekayo ngokwemvelo ayizange yonwabele i-aftermarket yokusebenza njenge-Chevrolet, i-Chrysler kunye nezinye iinjini ze-Ford eziveliswe ngobuninzi. Noko ke, oku akuzange kumise. UPhil Wasinger waphinda wakha injini yakhe ye-LT5 kwi-1994 ZR-1 Corvette yakhe.
Eyona njongo ye-injini ye-LT5 yayikukuba xa ubuNjineli beLotus (ebeyi-GM ngelo xesha) bayila i-LT5, i-GM yagxininisa ukuba isebenzise isithuba se-cylinder emngxunyeni ofanayo, ukuphakama kwebhloko ye-cylinder block, kunye ne-crankshaft engundoqo yomngxuma i-diameter njenge-SB Chevy, nangona kungenjalo, Luyilo lwe-injini olwahluke ngokupheleleyo, ngaphandle kwe-oyile ye-crankshaft yangasemva, akukho ndawo ziqhelekileyo phakathi kwazo. Xa ushiya umzi-mveliso, ibhloko ye-cylinder ye-LT5 ithatha idizayini evulekileyo yedekhi, kwaye ibhloko ye-cylinder esezantsi ibholwa ukulungiselela i-4.173˝ OD inyathelo le-aluminium lining.
Ukwakhiwa kwakhona kwenjini kaWasinger kwaqala ngo-2014, xa wafumana injini yeLT5 esetyenzisiweyo kwiCraigslist.
“Ndathenga i-Corvette ZR-1 ka-1994 ngo-2007 ndaza ndaphucula injini ngohlengahlengiso oluqhelekileyo olulungele ezi njini zikhethekileyo,” utshilo uWasinger. “Oku kubandakanya iiheader zemibhobho emide, ukusebenza kwe-catback exhaust, ukungena kwizibuko, kunye neechips zokulungisa ukusebenza. Kwi-cid ye-350, iinjini ezininzi zesitokhwe zihamba kakuhle, zikhupha malunga ne-485 yamandla eehashe, kwaye zijika ngokulula kwi-7,200 rpm. Nangona kunjalo, ndifuna ngokwenene ukubona ukuba i-DOHC LT5 uyilo lwe-injini inokwenza ntoni ngokongeza ukufuduka, iintloko ze-cylinder, kunye neekhamera zokusebenza zesiko. Oku kuqale uhambo lwam lweminyaka emi-6 lwe-427 cid LT5.
Ngokubhekiselele kwimveliso ye-injini, i-Phil ayiyo-DIYer eqhelekileyo. Kuninzi lomsebenzi wakhe, usebenzele abenzi beenjini zedizili ezinkulu zaseJamani iMTU Friedrichshafen kunye neMAN Augsburg, ekhokela imisebenzi yabo eMelika. Umkhosi wamanzi wase-US, uMlindi woNxweme lwase-US kunye neNkampani yoShishino lweFlegi yaseMelika ngabona bathengi bakhe baphambili.
Nangona kunjalo, ngokungafaniyo nomsebenzi awenzileyo kumsebenzi wakhe, olu lwakhiwo lwe-LT5 yiprojekthi yokuzonwabisa yomntu, eyenziwa ikakhulu kwigaraji yosapho lukaPhil. Umsebenzi woomatshini kunye nolungelelwaniso lwenziwa kwindawo yakhe yokusebenzela yomatshini yasekhaya kufutshane nedolophu yakowabo eFairfax, eVirginia, kumantla eVirginia. Okokuqala, uPhil wayesazi ukuba ufuna amandla ngakumbi ehashe kunye nokufuduka ngakumbi.
"Injongo yethu kukubonelela nge-horsepower ye-650 egudileyo kwaye ethembekileyo kwisitrato kunye nokuhamba ngenqanawa," kusho uVasinger. “Ngenxa yoyilo olulodwa lwe-LT5, i-stroke crankshaft kufuneka yenziwe ngoomatshini kwindawo engenanto. I-crankshaft inenani elikhulu lamaqula angaphakathi njengeyona ndlela yokuhambisa i-oyile kwindawo ephambili yokuthwala kunye nentonga yokudibanisa. Ngethamsanqa, ndandisuka komnye umntu waseTexas. Le ndoda yafumana ibhatyi yentsimbi engasetyenziswanga 4.00˝ crankshaft. Wayeyithengele inguqulo ye-LT5, kodwa akazange ayiqonde.
“Ukuze usebenzise i-4.000˝ stroke crankshaft ukufikelela kwithagethi ye-427 cid, i-cylinder bore kufuneka yonyuswe ukusuka kwi-3.900˝ ukuya kwi-4.125˝, nto leyo efuna ukwandiswa kwe-cylinder receiver bore. Ngenxa yoku, ndaphendukela kuPete Polatsidis, ingcali ye-injini ye-LT5 e-Chicago, Wavelisa i-deck evaliweyo ye-ductile iron bushing conversion kunye ne-Darton Sleeves ye-injini ye-LT5.
Ibloko ye-cylinder ye-LT5 yenzelwe ukusebenzisa i-99mm aluminium bushings kunye neepistons eziveliswe ngu-MAHLE. Umphezulu wangaphakathi we-lining udityaniswe ne-Nikasil ukuze unike indawo ehlala ixesha elide kakhulu yokunxiba. Uqwalaselo luyilo lwedekhi evulekileyo kunye nenxalenye engezantsi ye-liner efakwe ngokutyibilikayo kumngxuma owamkelayo owenziwe ngomatshini ukuya ezantsi kwebhloko.
Ukuze ufezekise umngxuma we-4.125˝ owawufunwa nguPhil, kwakuyimfuneko ukusebenzisa i-ductile yentsimbi eguqulelwe ngokukhethekileyo eyenziwe yi-Darton Sleeves kwaye iphuculwe nguPete Polatsidis ukusebenzisa idizayini evaliweyo.
"Ngalo liner yedekhi evaliweyo, i-cylinder diameter yangaphakathi inokunyuswa ngokukhuselekileyo ukuya kwi-4.125˝, kwaye enye inzuzo kukuba izinzile kwi-cylinder," watsho.
Emva kokuqonda i-crankshaft kunye nokufuduswa kwe-injini, uPhil wajika ingqalelo yakhe kwamanye amacandelo angaphakathi, afana ne-6-intshi ye-billet yokudibanisa iintonga nganye enobunzima obungama-605 grams, idityaniswe nepiston ye-aluminiyam yesiko Idayimane enomjikelo we-skirt kunye nezikhonkwane ze-offset.
"Ipiston inomlinganiselo we-compression ratio ye-12: 1, kunye ne-offset pin kunye ne-skirt coating yenzelwe ngokukodwa ukunciphisa ingxolo yepiston ebandayo," kusho u-Wasinger. Ndikwasebenzise iringi yepiston yeTotal Seal-ringi ye-molybdenum enyibilikayo eyi-1.5mm, i-1.5mm yekhowuni eqingqekileyo ephothiweyo, kunye neringi yokulawula ioyile eyi-3mm.
Inguqulelo ye-LT5 iphinde yafumana iibheringi zeCalico coated-OEM kumbane ongundoqo kunye ne-2.1˝ yagquma iibheringi zeClevite 77 kwintonga. Ukukhutshwa kwejenali phakathi kwentonga kunye neyona nto iphambili ifakwe kwi-0.0025˝.
Xa kuziwa kwiintloko ze-cylinder kunye nezitimela zevalve, uPhil wabonisa ukuba i-LT5 i-valve four-cylinder head combustion room yenzelwe ukuba ibeyi-anti-knock kakhulu, evumela ukuba kusetyenziswe umlinganiselo ophezulu woxinzelelo xa upompa umoya. Ukuze kwandiswe ukuseta kwakhe, intloko yesilinda yatshintshwa ngokupheleleyo kwaye yavavanywa. I-air inlet ivuliwe ukuya kwi-37 mm, kwaye isitya sokungenisa umoya sikwandiswa.
“Ivalve yokuqala eyi-39mm yatshintshwa ivelufa yeFerrea eyi-42mm yentsimbi estainless enesiqu esi-8mm,” utshilo. “Isitulo sevalve yokungena saye sandiswa ukuze kusetyenziswe ngokupheleleyo isivalo esikhulu. Ndikwasebenzise imithombo yaseFerrea kunye nezinto ezigcinayo. ”
Ukuze wenze umatshini wevalve usebenze kakuhle, uWasinger wakhetha icamshaft yebillet yesiko kwiJones Cam Design. Ukongeza kumsebenzi wakhe, uPhil wathi ulungelelwaniso lwecandelo elijikelezayo kunye nomsebenzi wevalve yentloko yesilinda wenziwa ekuhlaleni nguLloyd Lovelace woMatshini weZithuthi oSiko eLorton, eVirginia. Ukugqibela kokulungiswa kwedynamometer yemoto kwaqhutywa yiHaibeck Automotive Technology eAddison, eIllinois.
Emva kokuba i-LT5 idityaniswe ngokupheleleyo kwaye yahlengahlengiswa, uWasinger uthe ufumene amandla angama-650 awayenethemba. Ngoku, le 1994 ZR-1 Corvette ibuyele esitratweni.
Kule veki le njini ibixhaswe yiPennGrade Motor Oil, Elring – Das Original kunye neScat Crankshafts. Ukuba une-injini ofuna ukuyiqaqambisa kolu ngcelele, nceda uthumele i-imeyile ku [i-imeyile ekhuselweyo] Umhleli we-Engine Builder uGreg Jones
Ixesha lokuposa: Sep-13-2021
